WALCZAK Piotr · AJ DIAMENT
vs par split: bidding -0.44 · play -0.06
Strength of schedule: opponents averaged +0.22/bd (a tough draw) → opponent-adjusted -0.01/bd
Card play — on target: opening leads 83.3% #144 of 527 · declarer play 80.0% #155 of 527 · defence 83.3% #352 of 527
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | 60.0% (5) | 100.0% (7) |
| Declarer play | 80.0% (5) | 80.0% (10) |
| Defence | 62.5% (8) | 93.8% (16) |
Opening leads by suit led: ♠ 66.7% (3) · ♥ 100.0% (2) · ♦ 100.0% (4) · ♣ 66.7% (3)
vs par by strain: NT +2.47 (15) · a suit -1.77 (35)
vs par by level: part-score -0.25 (20) · game +0.46 (24) · slam -5.17 (6)
By role: declaring -0.35/bd (-1.81 vs par · 26) · defending -0.10/bd (+0.92 vs par · 24)
By vulnerability: vulnerable +0.42/bd (+0.31 vs par · 26) · not vulnerable -0.93/bd (-1.38 vs par · 24)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 2 | A.Kowalska | S.Gillis – M.Harding | Open | 10 | +0.8 | +0.08 | +2.60 |
| Round 4 | A.Kowalska | L.Hu – Y.Sun | Closed | 10 | +8.4 | +0.84 | -1.60 |
| Round 5 | A.Kowalska | E.Mauberquez – E.Monod | Closed | 10 | -1.0 | -0.10 | -0.30 |
| Round 9 | A.Kowalska | C.Pellegrini – V.Chediak | Closed | 10 | +0.7 | +0.07 | -0.50 |
| Round 10 | A.Kowalska | J.Stamatov – W.Haddad | Closed | 10 | -20.2 | -2.02 | -2.70 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +9.2 | Round 4 | ORG REIGNWOOD | 10 | 5♠ | ♥A | -1 | +13 |
| +8.3 | Round 2 | GILLIS | 15 | 5♦ | ♥A | = | +11 |
| +6.8 | Round 2 | GILLIS | 16 | 3NT | ♥8 | = | +11 |
| +6.2 | Round 10 | STAMATOV | 5 | 1NTx | ♥K | = | +7 |
| +6.1 | Round 2 | GILLIS | 19 | 2NT | ♦8 | +1 | +10 |
| +6.1 | Round 5 | BLUE NOTE | 16 | 3NT | ♠Q | +1 | +7 |
| +4.8 | Round 4 | ORG REIGNWOOD | 2 | 3NT | ♣5 | -1 | +6 |
| +3.6 | Round 9 | VICKY | 21 | 3♣x | ♥Q | -1 | +3 |
| +3.6 | Round 9 | VICKY | 30 | 2♥ | ♣K | +3 | +6 |
| +3.3 | Round 5 | BLUE NOTE | 18 | 3NT | ♣J | -1 | +5 |
| +3.1 | Round 9 | VICKY | 25 | 3♣ | ♦9 | = | +0 |
| +2.9 | Round 4 | ORG REIGNWOOD | 1 | 6♠ | ♥A | = | +0 |
| +2.6 | Round 9 | VICKY | 29 | 3♦ | ♥5 | -1 | -1 |
| +2.5 | Round 4 | ORG REIGNWOOD | 3 | 4♥ | ♠K | -2 | -9 |
| +2.2 | Round 5 | BLUE NOTE | 15 | 4♥ | ♦6 | = | -1 |
| +1.7 | Round 2 | GILLIS | 20 | 1NT | ♠4 | +3 | +2 |
| +1.6 | Round 9 | VICKY | 24 | 3NT | ♦4 | -1 | +5 |
| +1.3 | Round 9 | VICKY | 28 | 3♥ | ♥2 | = | +0 |
| +1.1 | Round 10 | STAMATOV | 8 | 6♥ | ♠2 | +1 | -11 |
| +1.0 | Round 5 | BLUE NOTE | 20 | 4♠ | ♥A | +1 | +1 |
| +1.0 | Round 10 | STAMATOV | 2 | 1NT | ♥Q | -1 | -3 |
| +0.8 | Round 9 | VICKY | 26 | 3♦ | ♦3 | = | +0 |
| +0.2 | Round 2 | GILLIS | 14 | 4♠ | ♣7 | +1 | +0 |
| +0.2 | Round 9 | VICKY | 23 | 3NT | ♣3 | +1 | -1 |
| -0.2 | Round 10 | STAMATOV | 10 | 4♠ | ♣6 | +1 | +0 |
| -0.3 | Round 4 | ORG REIGNWOOD | 6 | 1NT | ♦4 | +3 | +6 |
| -0.3 | Round 5 | BLUE NOTE | 11 | 4♠ | ♦8 | +1 | +0 |
| -0.5 | Round 5 | BLUE NOTE | 13 | 3♠ | ♠2 | -1 | +1 |
| -0.8 | Round 5 | BLUE NOTE | 14 | 3NT | ♥J | -1 | +2 |
| -0.9 | Round 5 | BLUE NOTE | 17 | 2♠x | ♦J | -2 | +4 |
| -0.9 | Round 9 | VICKY | 22 | 4♠ | ♣K | = | +0 |
| -1.1 | Round 4 | ORG REIGNWOOD | 8 | 4♥ | ♣J | = | +0 |
| -1.1 | Round 5 | BLUE NOTE | 12 | 4♠ | ♣10 | -2 | -8 |
| -1.2 | Round 4 | ORG REIGNWOOD | 5 | 2♥ | ♣4 | = | -7 |
| -1.4 | Round 2 | GILLIS | 17 | 4♥ | ♣K | +1 | +0 |
| -1.4 | Round 10 | STAMATOV | 7 | 3♣x | ♦5 | -1 | -2 |
| -2.1 | Round 4 | ORG REIGNWOOD | 4 | 1♠ | ♣J | -1 | -1 |
| -2.4 | Round 4 | ORG REIGNWOOD | 9 | 3♠ | ♦A | = | -10 |
| -2.9 | Round 10 | STAMATOV | 9 | 1NT | ♠10 | +2 | -1 |
| -3.2 | Round 10 | STAMATOV | 6 | 1NT | ♠5 | = | -5 |
| -3.4 | Round 2 | GILLIS | 13 | 6♠ | ♦10 | = | +0 |
| -3.7 | Round 2 | GILLIS | 18 | 4♥ | ♠7 | = | -11 |
| -3.9 | Round 4 | ORG REIGNWOOD | 7 | 3♠x | ♣6 | -2 | -14 |
| -5.0 | Round 2 | GILLIS | 12 | 6♠ | ♠6 | +1 | +11 |
| -6.1 | Round 10 | STAMATOV | 3 | 4♥ | ♣Q | = | -10 |
| -6.3 | Round 10 | STAMATOV | 4 | 4♥ | ♥K | +1 | +12 |
| -8.4 | Round 10 | STAMATOV | 1 | 3NT | ♠5 | -1 | -14 |
| -8.8 | Round 2 | GILLIS | 11 | 5♥ | ♠4 | -1 | -8 |
| -10.0 | Round 5 | BLUE NOTE | 19 | 6♠ | ♦Q | -1 | -14 |
| -15.2 | Round 9 | VICKY | 27 | 7♠ | ♠9 | -3 | -17 |